Zinc: This mineral helps enhance adrenal function—but also helps stimulate your sex drive. "To have drive, you need good adrenal function, and in particular you need zinc," he says.

Eat these: oysters, dark chocolate

Oh! And Masley says there's also one super-surprising thing that actually makes your sexual performance worse: alcohol! "You need hydration, so enjoy sparkling water and iced green tea," he says. "Stick to one to two servings of alcohol per person; clearly not more than one serving per hour."

Let's file this away in the "good to know" category, shall we? Do you have any favorite sexy foods?